IBM 8671 Hardware Maintenance Manual - Page 63

System-board, locations

Page 63 highlights

System-board LED locations The following illustration shows the location of the LEDs on the system board. You might need to refer to this illustration when solving server problems. CPU 2 error LED (CR4) VRM 2 error LED (CR1) PCI bus A error LED (CR66) PCI-X bus B error LED (CR68) PCI-X slot 5 power LED (CR75) PCI-X slot 5 internal attention LED (CR73) PCI-X slot 5 external attention LED (CR74) PCI-X bus C error LED (CR76) PCI-X slot 6 external attention LED (CR77) PCI-X slot 6 internal attention LED (CR78) PCI-X slot 6 power LED (CR79) CPU mismatch error LED (CR14) Power error LED (CR15) DIMM 1 error LED (CR16) DIMM 2 error LED (CR17) DIMM 3 error LED (CR18) DIMM 4 error LED (CR20) DIMM 5 error LED (CR22) DIMM 6 error LED (CR23) CPU 1 error LED (CR24) VRM 1 error LED (CR33) Service processor activity LED (CR67) Chapter 4. Customer replaceable units 53

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System-board
LED
locations
The
following
illustration
shows
the
location
of
the
LEDs
on
the
system
board.
You
might
need
to
refer
to
this
illustration
when
solving
server
problems.
VRM 2 error LED (CR1)
VRM 1 error
LED (CR33)
CPU 2 error LED (CR4)
CPU 1 error
LED (CR24)
CPU mismatch error
LED (CR14)
Power error
LED (CR15)
DIMM 1 error
LED (CR16)
DIMM 2 error
LED (CR17)
DIMM 3 error
LED (CR18)
DIMM 4 error
LED (CR20)
DIMM 5 error
LED (CR22)
DIMM 6 error
LED (CR23)
Service processor
activity LED (CR67)
PCI bus A error
LED (CR66)
PCI-X bus B error
LED (CR68)
PCI-X bus C error
LED (CR76)
PCI-X slot 5 power
LED (CR75)
PCI-X slot 6 power
LED (CR79)
PCI-X slot 5 internal
attention LED (CR73)
PCI-X slot 6 internal
attention LED (CR78)
PCI-X slot 5 external
attention LED (CR74)
PCI-X slot 6 external
attention LED (CR77)
Chapter
4.
Customer
replaceable
units
53